package com.itheima.reggie.common;

/**
 * @author 深蓝色的橘子
 * @create 2023-04-23 14:29
 */

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;


/**
 * 全局异常处理
 */
@ControllerAdvice(annotations = {RestController.class, Controller.class})//带有这两个注解的部分会被这个处理器进行处理
@ResponseBody
@Slf4j
public class GlobalExceptionHandler {
    /**
     * 异常处理方法
     * @return
     */
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public  R<String> excptionHnadler(SQLIntegrityConstraintViolationException ex){
        log.info(ex.getMessage());
        if(ex.getMessage().contains("Duplicate entry")){
            String[] split = ex.getMessage().split(" ");
            String msg = split[2] +"已存在";
            return R.error(msg);
        }
        return R.error("未知错误");
    }



    //添加自己的异常
    @ExceptionHandler(CustomException.class)
    public  R<String> excptionHnadler(CustomException ex){
        log.info(ex.getMessage());
        return R.error(ex.getMessage());
    }
}
